/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

import { Context } from 'effect';
import type { ConnectionState } from './types.js';

/**
 * Represents the Gremlin client as a service in the Effect context.
 *
 * This service provides access to the active Gremlin connection state,
 * including the client, connection, and traversal source (`g`).
 *
 * @example
 * ```typescript
 * import { Effect } from 'effect';
 * import { GremlinClient } from './client.js';
 *
 * const myEffect = Effect.gen(function* () {
 *   const gremlin = yield* GremlinClient;
 *   const count = yield* Effect.tryPromise(() => gremlin.g.V().count().next());
 *   return count.value;
 * });
 * ```
 */
export class GremlinClient extends Context.Tag('GremlinClient')<GremlinClient, ConnectionState>() {}
